Technical data
7
cartridge must be stored in the open original packaging for at least 24 hours at the stated ambient
temperatures (Chapter 9) for operation.
Note: When the locking handle is open, the water supply to the cartridge is interrupted and short-
circuit operation with direct water fl ow from the water inlet
4
to the outlet
3
is possible (if neces-
sary, close the water supply and switch off the power supply to the downstream appliance).
Open locking handle •
2
.
Activate the fl ush valve •
8
and remove pressure from the system.
Remove exhausted fi lter cartridge •
6
from the fi lter head
1
.
Note: The fi lter cartridge can be pivoted by 90° in the wall mount for easy removal.
Perform the steps described at 4.3 and 4.4.•
6 By-Pass and Capacity Tables
The stated capacities are guide values that, depending on the product volume fl ow, local water qual-
ity and machine type can vary by +/ – 20%. We are happy to advise on individual requirements! The
capacities shown in the following tables are based on German carbonate hardness and are not certi-
fi ed by NSF.
6.1 Filter Heads PURITY C 0–70% with Variable By-Pass
Coffee and Espresso Machines/Vending Machines
German
carbonate
hardness
°dH
Grains per
US gallon
By-pass
setting
Filter capacity
PURITY C50 Quell ST PURITY C150 Quell ST PURITY C300 Quell ST
Liters US gallons Liters US gallons Liters US gallons
4 4 70% 1000 264 3000 793 6000 1585
5 5 70% 1000 264 3000 793 6000 1585
6 6 60% 1000 264 3000 793 6000 1585
7 7 60% 1000 264 3000 793 6000 1585
8 8 50% 1000 264 2500 660 5000 1321
9 9 50% 800 211 2000 528 4000 1057
10 10 40% 600 159 1700 449 3400 898
11 11 40% 500 132 1500 396 2900 766
12 12 30% 450 119 130 0 34 3 2500 660
13 13 30% 400 106 1200 317 2300 608
14 14 30% 360 95 1100 291 2100 555
15 15 30% 340 90 1000 264 1900 502
16 16 30% 320 85 900 238 1800 476
17 17 30% 300 79 850 225 1600 423
18 18 30% 280 74 800 211 1500 396
19 19 20% 260 69 750 198 1400 370
20 20 20% 240 63 700 185 1300 343
21 21 20% 220 58 650 172 1200 317
22 22 20% 210 55 620 164 1150 304
23 23 20% 200 53 590 156 1100 291
24 24 20% 190 50 560 148 1060 280
25 25 20% 180 48 540 143 1020 269
26 26 20% 170 45 520 137 990 262
27 27 20% 165 44 500 132 960 254
28 28 20% 160 42 480 127 930 246
29 29 20% 155 41 460 122 900 238
30 30 20% 150 40 440 116 870 230
31 31 20% 145 38 430 114 840 222
32 32 20% 140 37 420 111 810 214
33 33 20% 135 36 410 108 790 209
34 34 20% 130 34 400 106 770 203
35 35 20% 125 33 390 103 750 198
1001411-001_1001426-001.indd Abs1:71001411-001_1001426-001.indd Abs1:7 02.03.2009 16:41:31 Uhr02.03.2009 16:41:31 Uhr